CN1865658A - Development machine for crushing existing concrete conduit - Google Patents
Development machine for crushing existing concrete conduit Download PDFInfo
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- CN1865658A CN1865658A CN 200610085429 CN200610085429A CN1865658A CN 1865658 A CN1865658 A CN 1865658A CN 200610085429 CN200610085429 CN 200610085429 CN 200610085429 A CN200610085429 A CN 200610085429A CN 1865658 A CN1865658 A CN 1865658A
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- rotation
- cutterhead
- colyliform
- hobboing cutter
- development machine
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Abstract
The invention relates to a tunneller for breaking concrete tube, which has a head and a knife disk its front. It is characterized in that: said head is a wheel head with central cut; and said knife disk is a wheel knife disk with a central cut and mounted with several rotational hob cutters; the rotational axles of said hob cutters are radial arranged. The inventive improvement comprises: the wheel knife disk is mounted in the anti-sand cylinder whose front has crack knife; the wheel knife disk is in taper shape, while the remote end of hub knife rotational axle is incline to the moving direction of knife disk to form an incline degree beta; two ends of rotational axle are connected to the arc swinger, to make the circumference of remote end displaced with the rotation direction, to form an incline degree alpha with the radius. The invention has light head, lower driving power, and a cut at the center, therefore, worker and working machine can enter into the concrete tube.
Description
Technical field
The present invention relates to a kind of development machine, be specifically related to the development machine that a kind of crushing existing concrete conduit is used, be used for carrying out fragmentation with non-excavation method, and laying new pipeline thereafter to being embedded in underground existing concrete conduit as rain-water drainage pipe or sewer etc.
Background technology
The pipe jacking tunnelling machine that existing crushing existing concrete conduit is used is a kind of full face tunnel boring machine, " flat-No. 98077 " technical scheme of Japanese patent gazette for example, be on whole excavation section, the rotation tooth to be housed, adopt the mode of non-excavation to upgrade and be embedded in underground existing concrete conduit, that is: crushing existing concrete conduit, and lay new pipeline thereafter.Though above-mentioned full face tunnel boring machine can cut off the reinforcing bar of mild steel (SS400), but can not cut off the interface steel of existing concrete conduit, before to the existing concrete conduit crushing operation, must enter in the existing concrete conduit by work machine and operating personnel earlier branches such as interface steel number are cut off, in addition, if the length of cut reinforcing bar can be twined cutter longer than cutter, and take off them will interruption operation.Therefore exist always can not carry out broken problem to existing concrete conduit efficiently.And, full face tunnel boring machine is owing to all adorning tooth at whole section, weight causes all torques to increase greatly, therefore must be equipped with high-power drive unit, when reinforcing bar is wound on the cutter, the operating personnel can only enter from the reverse side of existing concrete conduit and remove, and is not only inconvenient, and influences operating efficiency.
Summary of the invention
The objective of the invention is to address the above problem, provide the high and good existing concrete conduit of efficient broken with development machine (pipe jacking tunnelling machine).Can cut off the interface steel that are difficult to fragmentation in the existing concrete conduit with hobboing cutter, can make things convenient for less important work machinery or operator can enter operation in the existing concrete conduit again.
The technical solution used in the present invention is,
The development machine that crushing existing concrete conduit is used, be provided with head and cutterhead at the excavation front end, it is characterized in that described head and cutterhead are the colyliform head and the colyliform cutterhead of central opening, be equipped with the hobboing cutter that several rotate freely on this colyliform cutterhead, the axis of rotation arranged radially of described hobboing cutter.
" colyliform head and colyliform cutterhead " described in the above scheme is the ring of hollow, also can be described as colyliform tool holder head and colyliform tool rest, and the opening in the middle of it can enter for less important work machinery or operator.Described hobboing cutter also can be described as milling cutter.
The further improvement of above scheme has following prioritization scheme:
1, the colyliform tool rest of described development machine is assemblied in front end and has in the cylinder of anti-silt particle of excavating tool.
2, described colyliform cutterhead adopts the frusto-conical surface shape, that is, the distal end of the hobboing cutter axis of rotation on this colyliform cutterhead tilts to the cutterhead direction of advance, forms inclination angle beta.
3, the hobboing cutter axis of rotation can be consistent with the radial direction of colyliform cutterhead; Also can be at an angle and this angle can change.That is, the distal end of hobboing cutter axis of rotation can be that fan-shaped swing is done in the center of circle with its proximal part.The frame for movement that realizes this wobbling action is: the two ends of described hobboing cutter axis of rotation are connected on the fan-shaped swing mechanism, described fan-shaped swing mechanism is, the proximal part of this hobboing cutter axis of rotation adopts and can the mode of waving be fixed on the cutterhead, simultaneously the distal end of this hobboing cutter axis of rotation be connected can along the cutterhead circumferencial direction horizontally slip textural.For example, the outer ring of the proximal part bearing of hobboing cutter axis of rotation is fixed on one vertical with cutterhead (also vertical with the hobboing cutter axis of rotation) fixing bearing pin, the sagittal plane of bearing can be rotated (promptly aforesaid " can the mode of waving fix ") around this bearing pin; Simultaneously, the distal end of this hobboing cutter axis of rotation connects on another and the vertically disposed bearing pin of cutterhead, and it is in the deep-slotted chip breaker in the center of circle that this bearing pin is arranged on a proximal part with the hobboing cutter axis of rotation, and can horizontally slip in groove.The length of this deep-slotted chip breaker, be the hobboing cutter axis of rotation and make the amplitude of fan-shaped swing, promptly determine the tilt angle alpha (this fan-shaped swing structure also can adopt other structures of the prior art, can realize the fan-shaped swing of hobboing cutter axis of rotation equally) that hobboing cutter axis of rotation and radial direction form.When the hobboing cutter axis of rotation is in these deep-slotted chip breaker central authorities, consistent with the radial direction of cutterhead.When the colyliform cutterhead of development machine rotates, hobboing cutter is owing to be subjected to the effect of resistance, the distal end of hobboing cutter axis of rotation can along the circumferential direction move, and can make the direction change of the arrangement angle of hobboing cutter axis of rotation along the rotation of colyliform cutterhead, makes the radial direction of this axis of rotation and cutterhead form tilt angle alpha.When the colyliform cutterhead of development machine changed direction of rotation, the distal end of hobboing cutter axis of rotation slided into the other end from an end of deep-slotted chip breaker, and the tilt angle alpha of this axis of rotation and radial direction becomes negative value.
4, be provided with clutch between the device of the driving colyliform cutterhead of described development machine and the above-mentioned anti-silt particle cylinder, so that both can connect not only separable, above-mentioned anti-silt particle cylinder is rotatable but also can be non-rotating.
5, the anti-silt particle cylinder rear portion of described development machine is provided with stretching device, with respect to the position of above-mentioned colyliform cutterhead, can regulate flexible length along direction of propulsion.
More than each prioritization scheme can adopt simultaneously, also can adopt wherein one or multinomial.
Beneficial effect of the present invention is that because only need carry out on the broken cyclic position hobboing cutter being housed to existing concrete conduit, therefore, the development machine that tooth is housed with full section compares, the weight saving of chain-drive section, thus make the power reduction that drives rotation; Owing to formed opening in central authorities, operating personnel, less important work machine can be more prone to enter and carry out less important work, conveying robot etc. in the existing concrete conduit again.
Prioritization scheme of the present invention is installed in the colyliform cutterhead in the cylinder of anti-native sand that front end has excavating tool, hardpan that again can broken big N value, cobble soil layer etc.
Hobboing cutter on the colyliform cutterhead described in the present invention again can be big to the active force of internal diameter with their extruding in broken, cut-out reinforcing bar, interface steel, and therefore, easier foreign material with fragmentation, cut-out are removed, carried.
The device that drives the colyliform cutterhead among the present invention can make the just contrary two directions rotation of tool rest, and the two ends of hobboing cutter axis of rotation are connected on the fan-shaped swing mechanism; Can make of the direction change of the arrangement angle of hobboing cutter axis of rotation, make the radial direction of this axis of rotation and cutterhead form tilt angle alpha along the rotation of colyliform cutterhead.In addition, because the direction of rotation of colyliform cutterhead is certain, therefore, can prevent to tunnel the influence that body rocks; Again owing to hobboing cutter axis of rotation gradient along the circumferential direction is that the active force that is accompanied by the direction of rotation of colyliform cutterhead changes, therefore, even if the also sustainable fragmentation of direction of rotation change, cut off reinforcing bar, interface steel and push its extruding to internal diameter direction.
The front end of the cylinder of the anti-silt particle described in the present invention begins to give prominence to forward from the position of colyliform cutterhead again, can prevent that the soil slide silt particle from entering in the development machine.
It is rotatable but also can not rotate that the device that drives the colyliform cutterhead among the present invention and described anti-silt particle cylinder can be connected not only separable, described colyliform cutterhead and described anti-silt particle cylinder.Therefore, under the low situation of the N value that is undermined, allow anti-silt particle cylinder not rotate, can under stable soil layer, excavate; Otherwise under the general or bigger situation of the N value that is undermined, just allow anti-silt particle cylinder be rotated in the forward, can excavate the soil layer of hard place matter expeditiously.Described being rotated in the forward is that direction of rotation with the colyliform cutterhead is consistent.
Anti-silt particle cylinder described in the present invention can be flexible along direction of propulsion for the installation site of described colyliform cutterhead, therefore can regulate the outstanding length of anti-silt particle cylinder by the situation of soil layer on every side, thereby soil layer around the control that can be stable carries out crushing operation by the hobboing cutter on the colyliform head to existing concrete conduit then.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of embodiment 1;
Fig. 3 is the structural representation of embodiment 2;
Fig. 4 is the structural representation of embodiment 4;
Fig. 5 is the structural representation of embodiment 5;
Fig. 6 is the structural representation of embodiment 6.
The specific embodiment
Embodiment 1, referring to Fig. 1 and Fig. 2, and the development machine that crushing existing concrete conduit is used, its internal diameter is greater than the external diameter that is embedded in underground existing concrete conduit 2.In the front of development machine main body, only when pulverizing existing concrete conduit 2, on the necessary cyclic position colyliform head 4 has been installed, and has been made its rotation by drive source.Head 4 has colyliform cutterhead 6, the central authorities of this colyliform cutterhead 6 form big opening 5 that can pass in and out operating personnel, material, work machine and crushed material, and every interval specific range is just installed an axle 13 that can rotate freely along radial direction on the colyliform cutterhead 6, and a column type hobboing cutter 7 is housed on each axis of rotation 13.
Central bulkhead (figure indicates) with opening has been installed at colyliform head 4 rear portions.Drive unit 11 has been installed on the bulkhead, and this drive unit 11 has the deceleration device that drives 4 rotations of colyliform head.Colyliform head 4 devices are in anti-native sand cylinder 8, the front end of anti-silt cylinder 8 has the excavating tool 9 that superhard alloy is made, for the soil slide silt particle can not entered in the development machine main body 3, the installation site of anti-silt particle cylinder 8 is forwards more outstanding again than colyliform head 4.
In embodiment 1, the drive unit 11 that drives colyliform head 4 is connected with anti-silt particle cylinder 8, simultaneously, allow colyliform head 4 and the anti-silt particle cylinder 8 can equidirectional rotation of while again.
As shown in Figure 2, in the embodiments of the invention 1, on colyliform head 4, with be installed with hobboing cutter 7 axis of rotation 13 proximal part to main shaft of boring machine to rearward position tilt, form inclination angle beta with vertical line radially, a plurality of axis of rotation 13 of hobboing cutter 7 that are equipped with are by coniform arrangement (being that the colyliform cutterhead is frusto-conical surface).Hobboing cutter rotates axial inclination angle beta and should be 3 °～45 °.When the axial inclination angle beta of the connecting axle 13 that hobboing cutter 7 is housed below 3 ° the time, promptly when approaching radius direction vertical line angle, hobboing cutter 7 just can not be broken, cut off reinforcing bar, interface steel, but its extruding is pushed in the stratum, can't remove recovery; And when axis of rotation 13 inclination angle beta that hobboing cutter 7 is housed during greater than 45 °, the fragmentation of hobboing cutter 7, cut-out power are low.The prioritization scheme that the application recommends is: hobboing cutter rotates axial optimum working efficiency inclination angle beta and adopts 20 °～35 °.The structure of embodiment 1 can not allow the fragmentation of hobboing cutter 7, cut-out power low, and the dismounting, the transport operation that carry out fragmentation in the internal side diameter, cut off foreign material are carried out easily.Even the interface steel can not be lacked cut-out, also can push they extruding to internal side diameter, operation such as therefore, operating personnel, work machine are implemented to move in entering by above-mentioned peristome 5 easily, conveyance and detachable length are cut off.
Embodiment 3 is the composition of embodiment 1 and embodiment 2, and the development machine that crushing existing concrete conduit is used on its colyliform head 4, tilts axis of rotation 13 proximal parts that hobboing cutter 7 is housed to axial rearward position, with vertical line formation inclination angle beta radially; In addition, the circumferential locations of proximal part of connecting axle 13 that hobboing cutter 7 is housed to the direction of rotation device that misplaces, is formed tilt angle alpha with radial direction.The structure of embodiment 3 can not allow the fragmentation of hobboing cutter 7, cut-out power low, and carries out fragmentation in the internal side diameter easily, cuts off dismounting, the transport operation of foreign material.
When carrying out fragmentation and laying new pipeline being embedded in underground existing concrete conduit 2 with development machine, situation hard, that the subgrade mixing exists is more.In the subgrade of self stability low (low N value), when anti-silt particle cylinder 8 one enters in the soil layer, the silt particle of avalanche is understood owing to its flowability confound soil layer during its rotation.For such weak soil layer, set anti-silt particle cylinder 8 and do not rotate, can steady soil; Otherwise under the hard place matter or boulder bed situation of high N value, be necessary to set anti-silt particle cylinder 8 dextrorotations and transfer and excavate.Therefore, in embodiments of the invention 5, as shown in Figure 5, install the support wheel 56 that supports anti-silt particle cylinder 8 at the periphery front end place of the drive unit 11 that drives colyliform head 4, simultaneously in order to rotate freedom, between anti-silt particle cylinder 8 and support wheel 56, install ball connection bearing 54, for sealing material 53 is all installed in the intrusion of anti-silt particle at the two ends of ball connection bearing 54.The rear portion of the cutterhead 6 of colyliform tool holder head 4 is fixing with attachment screw 58 at drive unit 11 places, thereby drives 4 rotations of colyliform head.At anti-silt particle cylinder 8 and colyliform head 4 places, the carriage 59 that stretches to internal diameter direction has been installed, has been inserted at carriage 59 places and can transmit the hitching post 55 that rotates, simultaneously, cutterhead 6 places of colyliform head 4 also leave to transmitting the hole of rotation hitching post 55 insertion usefulness.During anti-silt particle cylinder 8 rotations,, will transmit and rotate hitching post 55 and insert cutterhead 6 and carriages 59, and the driving force of colyliform head 4 be sent to prevent silt particle cylinder 8 by means such as manual or oil cylinders; When anti-silt particle cylinder 8 does not rotate,, extract from each hole of cutterhead 6 and carriage 59 transmitting rotation hitching post 55 by means such as manual or oil cylinders.The structure of embodiment 5 can be according to the situation of excavating geology, and control is prevented native sand cylinder 8 positive rotation or do not rotated, excavates even if the soil layer situation changes also can stablize.
As shown in Figure 6, install the anti-silt particle cylinder support wheel 56 of support at the drive unit 11 periphery front end places that drive colyliform head 4, simultaneously, in order to rotate freedom, between anti-silt particle cylinder support wheel 65 and cylinder support wheel 56, install ball connection bearing 54, for sealing material 53 is all installed in the intrusion of anti-silt particle at the two ends of ball connection bearing 54.Install slidably anti-silt particle cylinder 8 at the periphery front end place of anti-silt particle cylinder support wheel 65, make the outer end of anti-silt particle cylinder support wheel 65 form a plurality of axial long mouthful 62 of connections of stretching to, at above-mentioned long mouthful 62 places, leave the position that a plurality of bolts 63 slide, above-mentioned bolt 63 is fixed on the place of interior week of anti-silt particle cylinder 8, at an end of anti-silt particle cylinder support wheel 65, the jack 64 of grappling is connected by hex bolts 63.Operation place of cutterhead 6 forms mounted cover plate 60 outside, allows jack 64 rotations between instrument etc. by hexagonal (hexagon)nut 61, thereby bolt 63 is advanced or moves back, and anti-silt particle cylinder 8 is decided towards the collapsing length of jacking direction according to colyliform head 4.Anti-silt particle cylinder 8 drives towards the means such as flexible also available oil cylinder of jacking direction.When anti-silt particle cylinder 8 rotates,, will transmit and rotate hitching post 55 insertion cutterheads 6 and anti-native sand cylinder support wheel 65, and driving force be sent to prevent silt particle cylindrical portion 8 by means such as manual or oil cylinders; When anti-native sand cylinder 8 does not rotate,, extract from each hole of cutterhead 6 and anti-silt particle cylinder support wheel 65 transmitting rotation hitching post 55 by means such as manual or oil cylinders.The situation that the structure of embodiment 6 can be excavated the stratum is controlled anti-silt particle cylinder 8 positive rotation or is not rotated, and excavates even if the soil layer situation changes also can stablize.
Claims (9)
1, the development machine used of a kind of crushing existing concrete conduit, be provided with head and cutterhead at the excavation front end, it is characterized in that, described head and cutterhead are the colyliform head and the colyliform cutterhead of central opening, be equipped with the hobboing cutter that several rotate freely on this colyliform cutterhead, the axis of rotation arranged radially of described hobboing cutter.
2, the development machine of using according to the described crushing existing concrete conduit of claim 1 is characterized in that, described colyliform tool rest is assemblied in front end to have in the cylinder of anti-silt particle of excavating tool.
3, the development machine of using according to claim 1 or 2 described crushing existing concrete conduits, it is characterized in that, described colyliform cutterhead adopts the frusto-conical surface shape, the distal end of the hobboing cutter axis of rotation on this colyliform cutterhead tilts to the head spindle direction of advance, form inclination angle beta with the vertical line of footpath direction, this inclination angle beta is 3 °～45 °.
4, the development machine of using according to the described crushing existing concrete conduit of claim 3 is characterized in that, it is 20 °～35 ° that described hobboing cutter rotates axial inclination angle beta.
5, the development machine of using according to claim 1 or 2 described crushing existing concrete conduits, it is characterized in that, the two ends of described hobboing cutter axis of rotation are connected on the fan-shaped swing mechanism, described fan-shaped swing mechanism is, the proximal part of this hobboing cutter axis of rotation adopts and can the mode of waving be fixed on the cutterhead, simultaneously the distal end of this hobboing cutter axis of rotation be connected can along the cutterhead circumferencial direction horizontally slip textural.
6, the development machine of using according to the described crushing existing concrete conduit of claim 5, it is characterized in that, described fan-shaped swing mechanism makes the position of the circumferencial direction of hobboing cutter axis of rotation distal end misplace to direction of rotation, form tilt angle alpha with radial direction, this tilt angle alpha is 3 °～45 °.
7, the development machine of using according to the described crushing existing concrete conduit of claim 6 is characterized in that, the tilt angle alpha that described hobboing cutter axis of rotation and radial direction form is 20 °～35 °.
8, the development machine of using according to claim 4 or 6 or 7 described crushing existing concrete conduits, it is characterized in that, be provided with clutch between the device of the driving colyliform cutterhead of described development machine and the described anti-silt particle cylinder, both connections or separation, described anti-silt particle cylinder rotation or non-rotating.
9, the development machine of using according to the described crushing existing concrete conduit of claim 8 is characterized in that, the anti-silt particle cylinder rear portion of described development machine is provided with stretching device, with respect to the position of above-mentioned colyliform cutterhead, can regulate flexible length along direction of propulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610085429A CN100580222C (en) | 2006-06-15 | 2006-06-15 | Development machine for crushing existing concrete conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610085429A CN100580222C (en) | 2006-06-15 | 2006-06-15 | Development machine for crushing existing concrete conduit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1865658A true CN1865658A (en) | 2006-11-22 |
| CN100580222C CN100580222C (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610085429A Expired - Fee Related CN100580222C (en) | 2006-06-15 | 2006-06-15 | Development machine for crushing existing concrete conduit |
Country Status (1)
| Country | Link |
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| CN (1) | CN100580222C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747198A (en) * | 2013-12-26 | 2015-07-01 | 江苏凯宫隧道机械有限公司 | Cutter disc and shield tunneling machine |
| CN105443139A (en) * | 2015-12-30 | 2016-03-30 | 江苏银旭隧道机械有限公司 | High-speed tunneling machine with low energy consumption |
| CN112343609A (en) * | 2020-12-26 | 2021-02-09 | 中铁工程装备集团有限公司 | Hollow TBM cutter head, pilot tunnel expanding excavation TBM for inclined shaft and construction method |
| CN112627324A (en) * | 2020-12-09 | 2021-04-09 | 西华大学 | Pipeline dredging robot |
-
2006
- 2006-06-15 CN CN200610085429A patent/CN100580222C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747198A (en) * | 2013-12-26 | 2015-07-01 | 江苏凯宫隧道机械有限公司 | Cutter disc and shield tunneling machine |
| CN105443139A (en) * | 2015-12-30 | 2016-03-30 | 江苏银旭隧道机械有限公司 | High-speed tunneling machine with low energy consumption |
| CN112627324A (en) * | 2020-12-09 | 2021-04-09 | 西华大学 | Pipeline dredging robot |
| CN112343609A (en) * | 2020-12-26 | 2021-02-09 | 中铁工程装备集团有限公司 | Hollow TBM cutter head, pilot tunnel expanding excavation TBM for inclined shaft and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100580222C (en) | 2010-01-13 |
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Granted publication date: 20100113 Termination date: 20120615 |